18680424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 35025816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 443, 502, 753, 886, 1004, 1329, 1506, 1757, 1772, 2008, 2658, 3012, 3101, 3514, 3544, 5271, 5316, 6024, 6202, 7028, 9303, 10542, 10632, 12404, 14056, 18606, 21084, 24808, 37212, 42168, 74424, 111193, 222386, 333579, 444772, 667158, 778351, 889544, 1334316, 1556702, 2335053, 2668632, 3113404, 4670106, 6226808, 9340212, 18680424]

約数ペア:

[(1, 18680424), (2, 9340212), (3, 6226808), (4, 4670106), (6, 3113404), (7, 2668632), (8, 2335053), (12, 1556702), (14, 1334316), (21, 889544), (24, 778351), (28, 667158), (42, 444772), (56, 333579), (84, 222386), (168, 111193), (251, 74424), (443, 42168), (502, 37212), (753, 24808), (886, 21084), (1004, 18606), (1329, 14056), (1506, 12404), (1757, 10632), (1772, 10542), (2008, 9303), (2658, 7028), (3012, 6202), (3101, 6024), (3514, 5316), (3544, 5271)]